Acid Fast dyes

[amarnath]

Hi all

can any body help me how to get acid fast dyes like Denatonium benzoate

And Denatonium benzoate have any property to stain human hair on application ? pls advice

[iansmith]

Sigma-Aldrich has Denatonium benzoate
https://www.sigmaaldrich.com/

If you want a kit for acid fast stainning
https://www1.fishersci.com/Coupon?cid=1333&gid=103487&details=Y